/Engine/Plugins/Runtime/GeometryProcessing/Source/DynamicMesh/Public/Operations/GeodesicPath.h
It is assumed the specified edges do in fact have vertex CVID in common, but this is not checked.
void ComputeWedgeAngles ( int32 IncomingEID, int32 OutgoingEID, int32 CenterVID, double & LeftSideAngle, double & RightSideAngle ) const